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H asked in Science & MathematicsPhysics · 12 months ago

t a certain instant, a particle-like object is acted on by a force while the object's velocity is . What is the instantaneous rate at whic?

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  • NCS
    Lv 7
    12 months ago
    Favorite Answer

    (a) power P = F•v

    P = (2.10*-2.30 -3.20*0 +7.50*4) W = 25.2 W

    (b) -3.20N * v_y = -12.0 W

    so v_y = 3.75 m/s

    (using only the y-component of the force)

    Hope this helps!

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